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Syringe Selector
Custom
Packed GC
Multiple
Affinity
Removal
Spin Cartridges
AGILENT
07-08 Catalog
Click Cover
P.J. Cobert Associates, Inc.
2302 Weldon Parkway
St. Louis, MO 63146
Toll Free:
1-800-972-4766
Phone: 314-993-2390
Fax:
314-993-2491
cobert@cobertassoc.com
Over 30 Years of chromatography experience!
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GLASS CHROMATOGRAPHY LC COLUMNS
OMNIFIT
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Borosilicate heavy wall glass columns with threaded ends and
strain-free end fittings
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Rugged construction
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Minimal dead volume and smooth solvent flow
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Optional septum injector end piece or loop inject valve
connects directly to end-piece
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Water jackets available
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PTFE end-pieces and fittings
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Columns reversible
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End-pieces accept all standard 1/4"-28 tube fittings
and Omnifit gripper fittings - M6 optional
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All columns can be supplied with an inert transparent burst
protection sleeve
BENEFITS
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PTFE construction is ideal for
peptide and protein synthesis
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Reproducible results
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Minimizes sample dispersion prior
to entering column
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Enables column to run at higher
pressures
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Allows back flushing of columns
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Increased resolution
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Materials |
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COMPONENT |
MATERIAL |
FLUID
CONTACT |
| Column |
Borosilicate Glass |
Yes |
| End-pieces |
PTFE |
Yes |
| Frits |
PTFE/Polyethylene |
Yes |
| Cones |
PTFE |
Yes |
| O-ring |
Viton/Silicone/Chem-raz |
Yes* |
| Colored Fittings |
Polypropylene/Tefzel |
No |
| Caps |
Acetal-C |
No |
| Adjusting Nut |
Acetal-C |
No |
*O-ring provides a backup seal
to PTFE main seal and may be wetted.
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THERMAL
PROPERTIES |
VALUE |
| Maximum Continued Service Temperature |
110°C |
| Minimum Continued Service Temperature |
-25°C |
| Maximum Temperature Differential |
100°C |
Autoclave temperature 121°C over a period of 15 minutes. |
